');
jQuery(document).scroll(dkBandCheck);
dkBandCheck();
}
function dkBandCheck(){
let st=jQuery(window).scrollTop();
let sh=jQuery(window).height();
let et=$dkscrollband.offset().top;
let eh=$dkscrollband.outerHeight();
let hh=jQuery('header').height();
let p=(st+sh-et)/eh;//0-1;
if(st>=et-hh){
p=(st-et+hh)/eh+2;//2-3
}
if(p<0) p=0;
if(p>3) p=3;
if(p<=1){
let ptmp=(p-0.25)*1/0.7;
if(ptmp<0) ptmp=0;
if(ptmp>1) ptmp=1;
ptmp*=100;
$dkscrollband.css('--band-top', 0);
$dkscrollband.css('--band-height', ptmp+'%');
}else if(p>=2){
let ptmp=(p-2)/0.5;
if(ptmp<0) ptmp=0;
if(ptmp>1) ptmp=1;
ptmp=1-ptmp;
ptmp*=100;
$dkscrollband.css('--band-top', (100-ptmp)+'%');
$dkscrollband.css('--band-height', ptmp+'%');
}else{
$dkscrollband.css('--band-top', 0);
$dkscrollband.css('--band-height', '100%');
}
}
jQuery(dkBandInit);
